Color

#effb6a

#effb6a
hex#effb6a
rgbrgb(239, 251, 106)
hslhsl(65, 95%, 70%)
oklchoklch(0.952 0.167 113.5)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8839

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#766afb

#fbbf6a · #a6fb6a

#6aeffb · #fb6aef

Split-complementary

Open in tool →

#6aa6fb · #bf6afb

#6afbbf · #766afb · #fb6aa6

Contrast

#effb6a as textRatioAAAA largeAAAFix
Aaon white
1.12:1failfailfail
  • AA: use #727c03 as the text (4.57:1)
  • AAA: use #525a02 as the text (7.44:1)
  • AA: or shift the background to #6e6e6e (4.53:1)
  • AAA: or shift the background to #4f4f4f (7.29:1)
Aaon black
18.68:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #effb6a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#effb6a reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #effb6a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #effb6a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effb6a-b8bea2-4e88df-262d1f-f1eee9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md